modify control passes

ge/graph/passes/attach_stream_label_pass.cc

@@ -58,7 +58,7 @@ void AttachStreamLabelPass::FindNodes(const ComputeGraphPtr &graph) {
     const std::string &type = op_desc->GetType();
     if ((type == STREAMSWITCH) && op_desc->HasAttr(ATTR_NAME_SWITCH_TRUE_BRANCH_FLAG)) {
       stream_switch_nodes_.emplace_back(node);
-    } else if ((type == STREAMMERGE)&& !op_desc->HasAttr(ATTR_NAME_NEXT_ITERATION)) {
+    } else if ((type == STREAMMERGE) && !op_desc->HasAttr(ATTR_NAME_NEXT_ITERATION)) {
       need_label_nodes_.emplace_back(node);
     } else if ((type == ENTER) || (type == REFENTER)) {
       enter_nodes_.emplace_back(node);